1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
; RUN: opt < %s -tailcallelim -S | FileCheck %s
; PR7328
; PR7506
define i32 @foo(i32 %x) {
; CHECK: define i32 @foo
; CHECK: %accumulator.tr = phi i32 [ 1, %entry ], [ 0, %body ]
entry:
%cond = icmp ugt i32 %x, 0 ; <i1> [#uses=1]
br i1 %cond, label %return, label %body
body: ; preds = %entry
%y = add i32 %x, 1 ; <i32> [#uses=1]
%tmp = call i32 @foo(i32 %y) ; <i32> [#uses=0]
; CHECK-NOT: call
ret i32 0
; CHECK: ret i32 %accumulator.tr
return: ; preds = %entry
ret i32 1
}
|
